Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Four-row tapered roller bearings -- Four-row tapered roller bearings, TQO design SKF BT4B 328374/HA1

BT4B 328374/HA1

Design

Design variant/feature

TQO/GWI

Dimensions

d		420	mm
D		620	mm
B		355	mm
T		355	mm
d₁	≈	469	mm
D₁	≈	553	mm
r_1,2	min.	2	mm
r_3,4	min.	5	mm

Calculation data

Basic dynamic load rating	C	6440	kN
Basic static load rating	C₀	14600	kN
Fatigue load limit	P_u	1120	kN
Comparative radial load rating	C_F	1700	kN
Comparative axial load rating	C_Fa	262	kN
Thrust factor	K	1.87
Calculation factor	e	0.31
Calculation factor	Y₁	2.2
Calculation factor	Y₂	3.3
Calculation factor	Y₀	2.2

Mass

Mass bearing

375

Model Number: BT4B 328374/HA1
Inner Diameter：420mm Outer Diameter：620mm Width：-mm
Reference speed:- Limiting speed:-
Type：Bearings, units and housings Roller bearings Tapered roller bearings Four-row tapered roller bearings
Details： Four-row tapered roller bearings Four-row tapered roller bearings, TQO design
Update date：2021-06-09
Application:lathe,tower crane,Medium and large motor,ventilation equipment,tapered grinder,Oral Image,Pneumatic Actuator,Cylinder Micro,Industry,Traffic Fire Protection Equipment Security equipment,Air
Similar models:BT4B 328374/HA1
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Model No.	Inner Diameter	Outer Diameter	Width	Type
18623	47.625	68.9864	10.0076	Seals
33866	85.725	133.38	11.13	Seals
51203	17	35	12	Bearings, units and housings
7013 CE/P4AL1	65	100	18	Bearings, units and housings
7831	19.8374	34.93	5	Seals
AH 24124	115	120	93	Bearings, units and housings
BD-C 3180 KM-AOH 3180 G	380	650	200	Bearings, units and housings
N 710	90.8812	-	710.2094	Bearings, units and housings
PCZ 9660 E	152.4	157.1625	95.25	Bearings, units and housings
SAF 23026 KAT x 4.1/2	114.3	-	-	Bearings, units and housings
SAL 70 TXE-2LS	70	-	49	Bearings, units and housings
SIL 60 ESX-2LS	60	-	44	Bearings, units and housings

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